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2 years ago

Langston Hughes earns an annual salary of $76,700.00 as Chiet Pinancial Olhicer of

Mathematics

1 answer:

Sphinxa [80]2 years ago

8 0

I think the answer 100,000

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Matlab a farmer wishes to build a rectangular pen for his animals out of 40 feet of fencing what should be the length and width

ASHA 777 [7]

Width=w
length=(40-2w)/2=20-w
A=w(40-w)
A=40w-w²
A'=40-2w=0
2w=40
w=20

20x20 is the size of the pen having the greatest area. this tells us the largest rectangle for a given perimeter is a square

8 0

3 years ago

If you spend $4.79. in how many ways can you receive<br> change from a five-dollar bill?

ladessa [460]

Answer:

9 ways

Step-by-step explanation:

Here are the combinations:

Start with dimes (10), change with dimes (10) would be (10, 10, 1), (10, 5,5,1), (10, 5, 6), (10, 11)

With nickels (5), change would be (5,5,5,5,1), (5,5,5,6), (5,5,11), (5,16)

With pennies (1) it would be (21)

8 0

2 years ago

What are the x intercepts of the quadratic? <br><br> (0,0)<br> (0,-1)<br> (-1,0)<br> There are none.

Katen [24]

The answer is: there are none

6 0

3 years ago

Thinking the perimeter of the rectangle is 3x + 2 + x + 3x + 2 + X.

givi [52]

They are both right because the first expression is the perimeter but expanded in terms of length.The second expression is shortened to be a factor expression but they both represent the length.
The benefit of the first one is you can see how it’s expanded and plug the numbers in and the second one is more easy to plug in the numbers with ease.

7 0

3 years ago

What is the probability that if 13 letters are typed, no letters are repeated?

faltersainse [42]

If there are 13 letters typed, the probability that no letters will be repeated can be found to be 1.05 x 10⁻²⁰

<h3>How to find the probability no letters are repeated?</h3>

First, find the number of possibilities of 13 letters from 26 letters in the alphabet as:

= 26 x 26 x 26 x 26 x 26 x 26 x 26 x 26 x 26 x 26 x 26 x 26 x 26

= 6.156 x 10³⁶ possibilities

If the numbers are not to be repeated then the possibilities are:

= 26 x 25 x 24 x 23 x 22 x 21 x 20 x 19 x 18 x 17 x 16 x 15 x 14

= 64764752532480000 possibilities

The probability that no letters are repeated is:

= 64764752532480000 / 6.156 x 10³⁶

= 0.0000000000000000000105

= 1.05 x 10⁻²⁰

Find out more on probability at brainly.com/question/8994028

#SPJ1

5 0

1 year ago